nomadseason

December Weather in Har-Us, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Har-Us, Mongolia hovers around -21°C (-6°F). While the chill can dip as low as -41°C (-42°F), the maximum temperature occasionally rises to a milder -2°C (29°F). Precipitation is minimal, with only 2 mm (0.1 in) falling across 0 days, and the air remains quite humid at an average of 95%. Brace yourself for a brisk and frosty experience!

December Temperature in Har-Us

In December in Har-Us, the average temperature is -21°C (-6°F). The maximum can reach -2°C (29°F), while the minimum can be as low as -41°C (-42°F). Travelers should be prepared for extreme cold conditions and dress appropriately for outdoor activities.

December Weather in Har-Us: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Har-Us, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Har-Us, December typically has an average temperature of -21°C (-6°F), with highs reaching up to -2°C (29°F) and lows dropping to around -41°C (-42°F).
JanFebMarAprMayJunJulAugSepOctNovDec-80193851616460493313-6
Data source: Temperature data for Har-Us generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Har-Us

In Har-Us in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

December Precipitation Trends in Har-Us

The chart displays monthly precipitation patterns in Har-Us, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Har-Us, December typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec2211122430745325752
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Har-Us

In Har-Us in December humidity is 95%. With an average temperature of -21°C (-6°F), this humidity feels like an icy embrace, making travel particularly challenging as the cold air mixes with the moisture, creating a biting chill that penetrates through layers of clothing.

December Average Humidity in Har-Us

This chart illustrates the average monthly humidity levels in Har-Us, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Har-Us is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%88%80%71%57%56%64%68%70%79%87%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Har-Us

In Har-Us in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Har-Us.

Maximum UV Index Levels in Har-Us for December

The chart shows the monthly maximum UV Index (UVI) for Har-Us in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Har-Us typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2368109987521
Data source: Har-Us December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Har-Us Compares to Other Months

Weather in Har-Us varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Har-Us, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Har-Us, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-22°C (-8°F)2 mm (0.1 inches)94%low
February Weather-18°C (0°F)2 mm (0.1 inches)88%moderate
March Weather-7°C (20°F)11 mm (0.4 inches)80%high
April Weather3°C (38°F)12 mm (0.5 inches)71%very high
May Weather11°C (52°F)24 mm (0.9 inches)57%very high
June Weather16°C (62°F)30 mm (1.2 inches)56%very high
July Weather18°C (64°F)74 mm (2.9 inches)64%very high
August Weather15°C (60°F)53 mm (2.1 inches)68%very high
September Weather10°C (49°F)25 mm (1.0 inches)70%high
October Weather1°C (33°F)7 mm (0.3 inches)79%moderate
November Weather-11°C (13°F)5 mm (0.2 inches)86%low
December Weather-21°C (-6°F)2 mm (0.1 inches)95%low

Compare Har-Us's Climate with Cities Worldwide